Based on stress wave theory of one dimension and piece-wise linearization of constitutive relation, the deformation process of foamed plastics in SHPB experiment is simulated by numerical method.

• 对SHPB实验中泡沫塑料的本构关系进行了分段线性化处理,基于一维弹性应力波理论用数值方法对变形过程进行了模拟。